Re: [Algorithms] How to get 3dvector largest coordinate index?

[Jon W. <jw...@gm...>]

Jeff Russell wrote:
> if cast-through-union violates the standard, then why are unions in 
> the language? isn't storing bytes and interpreting them as different 
> types what unions are for?

Unions are there to save storage space and/or simplify variant-record 
implementations, often in embedded, limited memory or systems 
programming situations. Comes up in file systems, network protocols, and 
all kinds of other low-level programming.

Sincerely,

jw